#ifndef cJSON__h
#define cJSON__h

#ifdef __cplusplus
extern "C"
{
#endif

	/* cJSON Types: */
#define cJSON_False 0
#define cJSON_True 1
#define cJSON_NULL 2
#define cJSON_Number 3
#define cJSON_String 4
#define cJSON_Array 5
#define cJSON_Object 6

#define cJSON_IsReference 256
#define cJSON_StringIsConst 512

/* The cJSON structure: */
	typedef struct cJSON {
		struct cJSON* next, * prev;	/* next/prev allow you to walk array/object chains. Alternatively, use GetArraySize/GetArrayItem/GetObjectItem */
		struct cJSON* child;		/* An array or object item will have a child pointer pointing to a chain of the items in the array/object. */

		int type;					/* The type of the item, as above. */

		char* valuestring;			/* The item's string, if type==cJSON_String */
		int valueint;				/* The item's number, if type==cJSON_Number */
		double valuedouble;			/* The item's number, if type==cJSON_Number */

		char* string;				/* The item's name string, if this item is the child of, or is in the list of subitems of an object. */
	} cJSON;

	typedef struct cJSON_Hooks {
		void* (*malloc_fn)(size_t sz);
		void (*free_fn)(void* ptr);
	} cJSON_Hooks;

	/* Supply malloc, realloc and free functions to cJSON */
	extern void cJSON_InitHooks(cJSON_Hooks* hooks);


	/* Supply a block of JSON, and this returns a cJSON object you can interrogate. Call cJSON_Delete when finished. */
	extern cJSON* cJSON_Parse(const char* value);
	/* Render a cJSON entity to text for transfer/storage. Free the char* when finished. */
	extern char* cJSON_Print(cJSON* item);
	/* Render a cJSON entity to text for transfer/storage without any formatting. Free the char* when finished. */
	extern char* cJSON_PrintUnformatted(cJSON* item);
	/* Render a cJSON entity to text using a buffered strategy. prebuffer is a guess at the final size. guessing well reduces reallocation. fmt=0 gives unformatted, =1 gives formatted */
	extern char* cJSON_PrintBuffered(cJSON* item, int prebuffer, int fmt);
	/* Delete a cJSON entity and all subentities. */
	extern void   cJSON_Delete(cJSON* c);

	/* Returns the number of items in an array (or object). */
	extern int	  cJSON_GetArraySize(cJSON* array);
	/* Retrieve item number "item" from array "array". Returns NULL if unsuccessful. */
	extern cJSON* cJSON_GetArrayItem(cJSON* array, int item);
	/* Get item "string" from object. Case insensitive. */
	extern cJSON* cJSON_GetObjectItem(cJSON* object, const char* string);

	/* For analysing failed parses. This returns a pointer to the parse error. You'll probably need to look a few chars back to make sense of it. Defined when cJSON_Parse() returns 0. 0 when cJSON_Parse() succeeds. */
	extern const char* cJSON_GetErrorPtr(void);

	/* These calls create a cJSON item of the appropriate type. */
	extern cJSON* cJSON_CreateNull(void);
	extern cJSON* cJSON_CreateTrue(void);
	extern cJSON* cJSON_CreateFalse(void);
	extern cJSON* cJSON_CreateBool(int b);
	extern cJSON* cJSON_CreateNumber(double num);
	extern cJSON* cJSON_CreateString(const char* string);
	extern cJSON* cJSON_CreateArray(void);
	extern cJSON* cJSON_CreateObject(void);

	/* These utilities create an Array of count items. */
	extern cJSON* cJSON_CreateIntArray(const int* numbers, int count);
	extern cJSON* cJSON_CreateFloatArray(const float* numbers, int count);
	extern cJSON* cJSON_CreateDoubleArray(const double* numbers, int count);
	extern cJSON* cJSON_CreateStringArray(const char** strings, int count);

	/* Append item to the specified array/object. */
	extern void cJSON_AddItemToArray(cJSON* array, cJSON* item);
	extern void	cJSON_AddItemToObject(cJSON* object, const char* string, cJSON* item);
	extern void	cJSON_AddItemToObjectCS(cJSON* object, const char* string, cJSON* item);	/* Use this when string is definitely const (i.e. a literal, or as good as), and will definitely survive the cJSON object */
	/* Append reference to item to the specified array/object. Use this when you want to add an existing cJSON to a new cJSON, but don't want to corrupt your existing cJSON. */
	extern void cJSON_AddItemReferenceToArray(cJSON* array, cJSON* item);
	extern void	cJSON_AddItemReferenceToObject(cJSON* object, const char* string, cJSON* item);

	/* Remove/Detatch items from Arrays/Objects. */
	extern cJSON* cJSON_DetachItemFromArray(cJSON* array, int which);
	extern void   cJSON_DeleteItemFromArray(cJSON* array, int which);
	extern cJSON* cJSON_DetachItemFromObject(cJSON* object, const char* string);
	extern void   cJSON_DeleteItemFromObject(cJSON* object, const char* string);

	/* Update array items. */
	extern void cJSON_InsertItemInArray(cJSON* array, int which, cJSON* newitem);	/* Shifts pre-existing items to the right. */
	extern void cJSON_ReplaceItemInArray(cJSON* array, int which, cJSON* newitem);
	extern void cJSON_ReplaceItemInObject(cJSON* object, const char* string, cJSON* newitem);

	/* Duplicate a cJSON item */
	extern cJSON* cJSON_Duplicate(cJSON* item, int recurse);
	/* Duplicate will create a new, identical cJSON item to the one you pass, in new memory that will
	need to be released. With recurse!=0, it will duplicate any children connected to the item.
	The item->next and ->prev pointers are always zero on return from Duplicate. */

	/* ParseWithOpts allows you to require (and check) that the JSON is null terminated, and to retrieve the pointer to the final byte parsed. */
	extern cJSON* cJSON_ParseWithOpts(const char* value, const char** return_parse_end, int require_null_terminated);

	extern void cJSON_Minify(char* json);

	/* Macros for creating things quickly. */
#define cJSON_AddNullToObject(object,name)		cJSON_AddItemToObject(object, name, cJSON_CreateNull())
#define cJSON_AddTrueToObject(object,name)		cJSON_AddItemToObject(object, name, cJSON_CreateTrue())
#define cJSON_AddFalseToObject(object,name)		cJSON_AddItemToObject(object, name, cJSON_CreateFalse())
#define cJSON_AddBoolToObject(object,name,b)	cJSON_AddItemToObject(object, name, cJSON_CreateBool(b))
#define cJSON_AddNumberToObject(object,name,n)	cJSON_AddItemToObject(object, name, cJSON_CreateNumber(n))
#define cJSON_AddStringToObject(object,name,s)	cJSON_AddItemToObject(object, name, cJSON_CreateString(s))

/* When assigning an integer value, it needs to be propagated to valuedouble too. */
#define cJSON_SetIntValue(object,val)			((object)?(object)->valueint=(object)->valuedouble=(val):(val))
#define cJSON_SetNumberValue(object,val)		((object)?(object)->valueint=(object)->valuedouble=(val):(val))

#ifdef __cplusplus
}
#endif

#endif